White mold, caused by the fungus Sclerotinia (Whetzelinia) sclerotiorum, is distributed worldwide and has more than 300 hosts. It infects flowers, cotyledons, seeds, leaves or injured plant tissue. The disease can be controlled by crop rotation, flooding, reduced seeding rates, application of…
Projections reveal that to sustain the likely world population in the year 2000, an increase of 60 percent in agricultural production will be required. "Is there sufficient land to meet these needs?" becomes the overriding question. However, little precise information exists on which…
Methods for evaluating nutrient status in order to obtain better plant growth and increased yield are constantly being developed and improved. New analytical techniques and procedures for soil and plant analysis have been invented and tested in many countries and laboratories. There have been…
The pressing need for increased agricultural production in the years ahead can only be met by more efficient use of our land and water resources including more widespread and better irrigation in those regions where rainfall is inadequate. Production gains will be shortlived unless the attendant…
El presente informe sobre ecología y reforestación de los manglares de México refleja las actividades realizadas de abril a agosto de 1972 en este campo, centradas en vista del asesoramiento general para la formulación de un plan de investigaciones sobre los manglares de México, especialmente en…
An international journal of forestry and forest industries
This publication has been prepared as a background paper in view of the UN conference on the human environment that was held in Stockholm in 1972. This background document had contribution from UNESCO, IAEA and WHO. While the demand for land for land increases at a very rapid rate through…
This publications presents a methodology and software for assessing carbon sequestration that were developed and tested in pilot field studies in Mexico and Cuba. The models and tools enable the analysis of land use change scenarios in order to identifyin a given area (watershed or district)…
The papers contained in this issue have been selected from those presented at a series of workshops, held in 2002 in Hungary, Uganda, Mexico and Cambodia, that were organized by the World Bank jointly with the Department for International Development (DFID), the French Ministry for Foreign…